<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Demo</title>
  <style>
    button { 
      width: 300px;
      height: 100px;
      vertical-align: top;
    }
    #timer {
      font-size: 60px;
      color: rgb(0,216,0);
      border: 10px solid rgb(0,216,0);
    }
    #message {
      font-size: 30px;
      color: rgb(0,136,204);
      border: 10px solid rgb(0,136,204);
    }
  </style>
</head>
<body>
  <button id="timer"></button>
  <button id="message"></button>

  <script src="timer4.js"></script>
</body>
</html>
